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/src/FreeImage/Source/OpenEXR/IlmImf/ImfPreviewImageAttribute.cpp

https://bitbucket.org/cabalistic/ogredeps/
C++ | 102 lines | 44 code | 20 blank | 38 comment | 2 complexity | 392686309397ba6aeac8486c0b0f5b3d MD5 | raw file
  1///////////////////////////////////////////////////////////////////////////
  2//
  3// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
  4// Digital Ltd. LLC
  5// 
  6// All rights reserved.
  7// 
  8// Redistribution and use in source and binary forms, with or without
  9// modification, are permitted provided that the following conditions are
 10// met:
 11// *       Redistributions of source code must retain the above copyright
 12// notice, this list of conditions and the following disclaimer.
 13// *       Redistributions in binary form must reproduce the above
 14// copyright notice, this list of conditions and the following disclaimer
 15// in the documentation and/or other materials provided with the
 16// distribution.
 17// *       Neither the name of Industrial Light & Magic nor the names of
 18// its contributors may be used to endorse or promote products derived
 19// from this software without specific prior written permission. 
 20// 
 21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 32//
 33///////////////////////////////////////////////////////////////////////////
 34
 35
 36//-----------------------------------------------------------------------------
 37//
 38//	class PreviewImageAttribute
 39//
 40//-----------------------------------------------------------------------------
 41
 42#include <ImfPreviewImageAttribute.h>
 43
 44
 45namespace Imf {
 46
 47
 48template <>
 49const char *
 50PreviewImageAttribute::staticTypeName ()
 51{
 52    return "preview";
 53}
 54
 55
 56template <>
 57void
 58PreviewImageAttribute::writeValueTo (OStream &os, int version) const
 59{
 60    Xdr::write <StreamIO> (os, _value.width());
 61    Xdr::write <StreamIO> (os, _value.height());
 62
 63    int numPixels = _value.width() * _value.height();
 64    const PreviewRgba *pixels = _value.pixels();
 65
 66    for (int i = 0; i < numPixels; ++i)
 67    {
 68	Xdr::write <StreamIO> (os, pixels[i].r);
 69	Xdr::write <StreamIO> (os, pixels[i].g);
 70	Xdr::write <StreamIO> (os, pixels[i].b);
 71	Xdr::write <StreamIO> (os, pixels[i].a);
 72    }
 73}
 74
 75
 76template <>
 77void
 78PreviewImageAttribute::readValueFrom (IStream &is, int size, int version)
 79{
 80    int width, height;
 81
 82    Xdr::read <StreamIO> (is, width);
 83    Xdr::read <StreamIO> (is, height);
 84
 85    PreviewImage p (width, height);
 86
 87    int numPixels = p.width() * p.height();
 88    PreviewRgba *pixels = p.pixels();
 89
 90    for (int i = 0; i < numPixels; ++i)
 91    {
 92	Xdr::read <StreamIO> (is, pixels[i].r);
 93	Xdr::read <StreamIO> (is, pixels[i].g);
 94	Xdr::read <StreamIO> (is, pixels[i].b);
 95	Xdr::read <StreamIO> (is, pixels[i].a);
 96    }
 97
 98    _value = p;
 99}
100
101
102} // namespace Imf